[R] Creating a vector with repeating dates

[Jim Lemon]

On 04/17/2013 07:11 PM, Katherine Gobin wrote:
> Dear R forum
>
> I have a data.frame
>
> df = data.frame(dates = c("4/15/2013", "4/14/2013", "4/13/2013", "4/12/2013"), values = c(47, 38, 56, 92))
>
> I need to to create a vector by repeating the dates as
>
> "Current_date", 4/15/2013, 4/14/2013, 4/13/2013, 4/12/2013,  "Current_date", 4/15/2013, 4/14/2013, 4/13/2013, 4/12/2013, Current_date, 4/15/2013, 4/14/2013, 4/13/2013, 4/12/2013
>
> i.e. I need to create a new vector as given below which I need to use for some other purpose.
>
> Current_date
> 4/15/2013
> 4/14/2013
> 4/13/2013
> 4/12/2013
> Current_date
> 4/15/2013
> 4/14/2013
> 4/13/2013
> 4/12/2013
> Current_date
> 4/15/2013
> 4/14/2013
> 4/13/2013
> 4/12/2013
>
> Is it possible to construct such a
>   column?
>
Hi Katherine,
How about:

rep(c("Current date",paste(4,15:12,2013,sep="/")),3)

Jim